The Facebook game of Street Fighter X Tekken pits you against your friends, and the winner is chosen on different criteria of like how many likes you have, how much you trash talk, and how big a poser you are. These are not the only criteria on which the battles are played, there are also many more.
The game can be played here. This unusual little game has been a huge success as it has already gathered more than one million likes on Facebook. So do not get left out and join the party as soon as possible.